boobs and thinks like that you know keisha? she says -- she told ryan seacrest on the radio show she had sex with a ghost. >> a ghost? >> yes, yes, she had sex with a ghost. she said she has had experiences with the super natural. but in a very sexy way. and she said that her new album is based on the theme of that spiritual quest that she embarked on to improve her music. >> do you think that was a sex tape? >> you know what? i think ke$sha may be a little nuts. >> that's an interesting one. >> how do you have a sex with a ghost, sex with casper. i am so confused by the whole thing. if you have sex with a guest do you tell people that you had sex with a ghost? or do you keep it secret? >> and, at a later date? >> you and casper keep it to yourselves. i don't think you share it with other people what do you think? >> yeah, i would go with that. a ghost. that's a new one. i just -- millimeterm. >> still to come, a look at the week that was. >> our "friday rewind" is next. you are watching "world news now." >> sex with a ghost. [ male announcer ] eligible for medicare?